OpenTechnical

OT-2026-000051318

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000051318) never changes.

Identity and time

Publication numberOT-2026-000051318 · never reused
Internal UUID01a0ae83-2740-7cd9-97b6-f6cbe8ba6c76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051318
StatusPUBLIC

Content hashes

Canonical text9a239b6ce46b03af7285f07a8cda19d53f73777fdc1524ea2c14edafa0724c20
Markdownffc7f108c6b639d18a3a13c2d258a1b0ff5b937a17fc3914f30b5ceec49f863b
PDF
Publication pagee3b542ebc9cc7ac1411fa5e6606d6130414662e9c06086d7a391d595260eec03
Manifest5b1c7eccab7bfab45512f797f865f43b4911505dcb79c98caab4347260ad89c0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCSSBOEyzmcEXNuAw7lEm4ot0OFt/shSvCwYcajVXB5hBsYc100iITz1htp8LBpzoq6BAbJ82UuP0Nutp0h2DDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:59:11.805572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051318
observed e3b542ebc9cc7ac1411fa5e6606d6130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:11.786229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051318/manifest.json
observed 5b1c7eccab7bfab45512f797f865f43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:11.763960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051318/publication.md
observed ffc7f108c6b639d18a3a13c2d258a1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:11.742467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051318/publication.txt
observed 9a239b6ce46b03af7285f07a8cda19d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.